CN102028510A - Conveyor device - Google Patents
Conveyor device Download PDFInfo
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- CN102028510A CN102028510A CN 201010599650 CN201010599650A CN102028510A CN 102028510 A CN102028510 A CN 102028510A CN 201010599650 CN201010599650 CN 201010599650 CN 201010599650 A CN201010599650 A CN 201010599650A CN 102028510 A CN102028510 A CN 102028510A
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- sheath tube
- sheath pipe
- guiding sheath
- conveyer device
- push rod
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Abstract
The invention discloses a conveyor device. The conveyor device comprises an introducer, and a conveyor and an expanding tube which are in fit with the introducer, wherein the introducer comprises an introduction sheath tube, an introduction sheath tube connecting piece arranged at one end of the introduction sheath tube and a screwing nut arranged at one end of the introduction sheath tube connecting piece; one end of the expanding tube can run through the introduction sheath tube, the introduction sheath tube connecting piece and the screwing nut to be in fit with the introduction sheath tube; the conveyor comprises a conveying sheath tube, a conveying sheath tube connecting piece arranged at one end of the conveying sheath tube, a Y-shaped valve arranged at one end of the conveying sheath tube connecting piece and a push rod of which one end runs through the conveying sheath tube, the conveying sheath tube connecting piece and the Y-shaped valve; one end of the push rod is not protruded out of the conveying sheath tube; and the conveying sheath tube can run through the introduction sheath tube, the introduction sheath tube connecting piece and the screwing nut to be in fit with the introduction sheath tube. The device provided by the invention can rapidly arrange a left auricle sealing device into a left auricle, has a stable structure and high operability, shortens operation time and increases the success rate of operations.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of conveyer device.
Background technology
Atrial fibrillation is one of common arrhythmia, almost sees all organic heart diseasies.The incidence rate of atrial fibrillation is 0.4%～2.0% in general crowd, every increase of age 10 years old, and sickness rate increases by 1.4 times, and atrial fibrillation accounts for 6%～10% greatly among the crowd more than 75 years old.Studies show that atrial fibrillation is the independent hazard factor that apoplexy takes place, the apoplexy more than 15% is caused that by atrial fibrillation the embolus of nonvalvular atrial fibrillation occurs in left auricle (LAA) more than 90%.Therefore the research at atrial fibrillation thromboembolism complication more and more is subject to people's attention, and that how to prevent the atrial fibrillation apoplexy has an important clinical meaning.
For atrial fibrillation thromboembolism complication, main Therapeutic Method is atrial fibrillation anticoagulant therapy and surgical intervention prevention thromboembolism.Although the curative effect that warfarin anticoagulant therapy prevention atrial fibrillation apoplexy takes place certainly, the clinical practice rate of warfarin is low, only has 1/3 to have the patients with atrial fibrillation of anticoagulant indication to take warfarin according to quantity on time.Anticoagulant therapy is for quite a few patient especially the highest old people of atrial fibrillation sickness rate, often because have bleeding tendency and exist and hemorrhagely wait the anticoagulant contraindication and can't therefrom benefit, and surgical intervention prevention thromboembolism is that to carry out the surgical operation repairing under directly perceived damaged.This surgical effect is bad and wound is big, and certain disability rate and mortality rate are arranged.
External at present advanced Therapeutic Method is a percutaneous left atrial appendage occlusion art prevention atrial fibrillation thromboembolism complication, be mainly the stopper made with niti-shaped memorial alloy and dacron membrane through cardiac catheter shutoff left auricle, this Wicresoft interventional therapy method time is short, wound is little, produce effects fast.
Calendar year 2001, U.S. Appriva Medical company has developed a kind of left atrial appendage occlusion device (PLAATO device), and the X-SEPT by 12F wears at interval that sheath (ApprivaMedical) is positioned over left auricle.The Watchman system is the device that is specifically designed to left atrial appendage occlusion by the development of Architec company.Put into left auricle by 12F carrier and 14F epitheca pipe.The conveyer device of these two kinds of apparatuses is to pass through postcava; the puncture interatrial septum; the arrival left auricle; the apparatus longer dimension; the operating grip position is far away apart from the plugging device rest, so operating time is long and the poor operability of apparatus, can not accurately locate; therefore need be improved, to benefit the patient.
Summary of the invention
(1) technical problem that will solve
The objective of the invention is to make the apparatus of operation use workable, can accurately locate, thereby make operating time shorter.
(2) technical scheme
For achieving the above object, the present invention proposes a kind of conveyer device, comprise conductor and the carrier and the convergent divergent channel that cooperate with described conductor, wherein:
Described conductor comprises: guiding sheath pipe, be arranged at described guiding sheath Guan Yiduan guiding sheath pipe connections, be arranged at the fastening nut of described guiding sheath pipe connections one end, cooperate with described guiding sheath pipe thereby an end of described convergent divergent channel can pass described guiding sheath pipe, described guiding sheath pipe connections and described fastening nut;
Described carrier comprises: the push rod that delivery sheath, the delivery sheath connector that is arranged at described delivery sheath one end, the Y-valve that is arranged at described delivery sheath connector one end and an end pass described delivery sheath, delivery sheath connector and Y-valve, one end of described push rod is not outstanding from described delivery sheath, cooperates with described guiding sheath pipe thereby described delivery sheath can pass described guiding sheath pipe, described guiding sheath pipe connections and described fastening nut.
Wherein, the other end of described guiding sheath pipe is provided with a plurality of development rings.
Wherein, described guiding sheath pipe connections is provided with tube for transfusion.
Wherein, be provided with rubber ring between described guiding sheath pipe connections and the described fastening nut.
Wherein, the other end of described push rod is provided with the tail end handle.
Wherein, the other end of described convergent divergent channel is provided with haemostatic valve.
Wherein, described convergent divergent channel is made by high density polyethylene (HDPE).
Wherein, described push rod is made by rustless steel.
Wherein, an end of described convergent divergent channel is the taper at 30 degree angles.
(3) beneficial effect
Technique scheme of the present invention has following advantage: device of the present invention can be inserted left atrial appendage occlusion device in the left auricle fast, Stability Analysis of Structures, workable, and plugging device accurately is in place, shorten operating time, improved success rate of operation.
Description of drawings
Fig. 1 is the conductor front view of the embodiment of the invention;
Fig. 2 is the conductor of the embodiment of the invention and the sketch map that cooperates of convergent divergent channel;
Fig. 3 is the carrier front view that has conveyer device of the embodiment of the invention;
Fig. 4 is the conductor of the embodiment of the invention and the sketch map that cooperates of carrier;
Fig. 5 is the haemostatic valve sketch map of the embodiment of the invention;
Fig. 6 is the silica gel circle sketch map of the embodiment of the invention;
Fig. 7 a is the guiding sheath pipe connections side view of the embodiment of the invention;
Fig. 7 b is the guiding sheath pipe connections profile of the embodiment of the invention;
Fig. 8 a is the fastening nut side view of the embodiment of the invention;
Fig. 8 b is the fastening nut side view of the embodiment of the invention;
Fig. 9 is the curved conveyer device operation of the list of an embodiment of the invention approach sketch map;
Figure 10 is the two curved conveyer device operation approach sketch map of the embodiment of the invention;
Among the figure:
1, conductor; 2, carrier; 3, convergent divergent channel; 4, guiding sheath pipe; 6, development ring; 7, haemostatic valve; 8, push rod; 9, delivery sheath; 10, tail end hands handle; 12, guiding sheath pipe connections; 13, fastening nut; 14, silica gel circle; 15, Y-valve; 16, delivery sheath connector; 17, rubber disk with holes; 18, tube for transfusion; 19 plugging devices; 20, single curved sheath pipe; 21, two curved sheath pipes; 22, right auricle; 23 left auricle; 24, aorta; 25, superior vena cava; 26, postcava; 27, interatrial septum; 28, pulmonary artery.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Conveyer device of the present invention comprises conductor 1 and carrier 2 that cooperates with conductor 1 and convergent divergent channel 3.
Be illustrated in figure 1 as the front view of the conductor 1 of the embodiment of the invention, it comprises: guiding sheath pipe 4, guiding sheath pipe connections 12, fastening nut 13 and tube for transfusion 18.One end of guiding sheath pipe connections 12 is arranged at an end of guiding sheath pipe 4.The other end of guiding sheath pipe connections 12 is arranged at an end (guiding sheath pipe connections 12 is threaded, and fastening nut 13 is connected with guiding sheath pipe connections 12 by screw thread) of fastening nut 13, and guiding sheath pipe connections 12 is provided with tube for transfusion 18.Guiding sheath pipe connections 12 is shown in Fig. 7 a and 7b.Silica gel circle 14 is gone into wherein from the C end plug of guiding sheath pipe connections 12 along direction shown in the arrow, after fastening nut 13 (shown in Fig. 8 a and 8b) is screwed on the connector 12C end, the D end of fastening nut 13 protrudes, make extruding silica gel circle 14 in the rundown process, make the distortion of silica gel circle, the internal diameter of silica gel circle diminishes, and therefore can change the internal diameter of silica gel circle in this way, it can well be cooperated with interior pipe, accomplish that internal diameter is adjustable and can prevent leak-stopping blood.Guiding sheath pipe 4 usefulness Pebax expect extrusion molding, inner with metal knitted silk reinforcement, its intensity, fold resistance are strengthened, a plurality of development rings (for example 5) have been processed at head, the ring that develops is to install additional in guiding sheath pipe drawing pipe process, and tungsten filament is wrapped in and forms the ring that develops on the tubing, can't see from pipe outer surface, can under X-ray, develop, can avoid contacting of heavy metal and blood in the operation process like this.After plugging device 19 is written into by carrier 2, be arranged at the development ring of an end aligned proximal (as a reference) of the plugging device 19 of push rod 8 ends with heart, the other end can be at different development interannulars according to the difference of plugging device size, the ring that develops can make the doctor clearly see the position that auto levelizer is carried under the X-ray in surgical environments, the plugging device of different size is aimed at different development rings, the development ring of far-end is aimed at the left auricle opening, discharge plugging device, can guarantee that plugging device discharges the back and aims at the left auricle opening.
Thereby an end of convergent divergent channel 3 can pass guiding sheath pipe 4, guiding sheath pipe connections 12 and fastening nut 13 to be cooperated with guiding sheath pipe 4.As shown in Figure 2, convergent divergent channel 3 is processed into the taper at 30 degree angles from the end that guiding sheath pipe 4 protrudes, be beneficial to the operation of puncture interatrial septum, and tail end adds with the UV curing mode loads onto a haemostatic valve 7, and haemostatic valve is injection molded into the PC material.As shown in Figure 5, rubber disk 17 is filled in the pipe, cracks in the middle of the rubber disk, plays the effect of check valve, anti-leak-stopping blood when guiding wire therefrom passes.Convergent divergent channel 3 is made by high density polyethylene (HDPE), and skin-friction coefficient is little, and head end is softer, can fit tightly with convergent divergent channel 3.Refer again to Fig. 2, after convergent divergent channel 3 inserted guiding sheath pipe 4, convergent divergent channel 3 can freely be twitched in guiding sheath pipe 4.
As shown in Figure 4, carrier 2 comprises: push rod 8, delivery sheath 9, handle 10, Y-valve 15 and delivery sheath connector 16.Delivery sheath 9 one ends are arranged at an end (passing through curing mode) of delivery sheath connector 16, delivery sheath connector 16 other ends are arranged at an end of Y-valve 15, an end that pushes pipe 8 passes delivery sheath 9, delivery sheath connector 16 and Y-valve 15, one end of push rod 8 is not from delivery sheath 9 protrusions and be provided with plugging device 19, and the other end of push rod 8 is provided with tail end handle 10.As shown in Figure 4, thus delivery sheath 9 can pass guiding sheath pipe 4, guiding sheath pipe connections 12 and fastening nut 13 to be cooperated with guiding sheath pipe 4.After carrier 2 is being with in plugging device 19 (plugging device 19 compression the enter carrier 2) conductor of packing into 1, the ring that develops of the near-end on the ring 6 alignment conductors 1 that develop, thus guaranteeing that plugging device 19 and conductor 1 near-end develop to encircle aligns.Push rod 8 is the stainless steel spring bar, and inner core is that stainless steel silk is strengthened, and head end welding one is used to be provided with the screw element of plugging device 19.Tail end handle 10 slides on push rod 8, difference according to plugging device 19 specifications can be adjusted to diverse location, tail end handle 10 is close together with the Y-valve far-end in the dispose procedure, expression plugging device 19 discharges fully, be convenient to understand plugging device 19 releasing degrees, discharge the back fully and counterclockwise rotate tail end handle 10, plugging device 19 is broken away from push rod 8.Determine the length of tail end handle 10 distance Y type valves 15 according to the length of different plugging devices 19, can discharge plugging device 19 fully after directly pushing respective distance, make doctor's operation process on top of.
Guiding sheath pipe 4 have single curved and two bend two kinds different curved.Different according to the relative position of left auricle and right auricle, the difference of interatrial septum height is selected suitable curved.Occupation mode is illustrated in figure 9 as the sketch map that uses single curved situation, Figure 10 shows that the sketch map that uses two curved situations.
In zoopery and clinical practice, select different curved conveyer devices with left auricle radiography result according to transesophageal echocardiography.As shown in figure 10, the puncture operation is puncture right auricle 22 earlier, the lancet puncture interatrial septum 27 then, puncture needle is withdrawn from, carry 0.035 inch guiding wire, conductor is delivered to left atrium along seal wire, convergent divergent channel 3 is withdrawn from, along pigtail conduit of conductor 1 input, will guide sheath pipe 4 and be transported in the left auricle 23.
The above only is embodiments of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (9)
1. a conveyer device is characterized in that, comprises conductor (1) and carrier (2) that cooperates with described conductor (1) and convergent divergent channel (3), wherein:
Described conductor (1) comprising: guiding sheath pipe (4), be arranged at described guiding sheath pipe (4) one ends guiding sheath pipe connections (12), be arranged at the fastening nut (13) of described guiding sheath pipe connections (12) one ends, an end of described convergent divergent channel (3) can pass described guiding sheath pipe (4), described guiding sheath pipe connections (12) and described fastening nut (13) thereby cooperate with described guiding sheath pipe (4);
Described carrier (2) comprising: delivery sheath (9), be arranged at the delivery sheath connector (16) of described delivery sheath (9) one ends, the Y-valve (15) and the end that are arranged at described delivery sheath connector (16) one ends pass described delivery sheath (9), the push rod (8) of delivery sheath connector (16) and Y-valve (15), one end of described push rod (8) is not outstanding from described delivery sheath (9), and described delivery sheath (9) can pass described guiding sheath pipe (4), described guiding sheath pipe connections (12) and described fastening nut (13) thus cooperate with described guiding sheath pipe (4).
2. conveyer device as claimed in claim 1 is characterized in that, the other end of described guiding sheath pipe (4) is provided with a plurality of development rings (6).
3. conveyer device as claimed in claim 2 is characterized in that, described guiding sheath pipe connections (12) is provided with tube for transfusion (18).
4. conveyer device as claimed in claim 3 is characterized in that, is provided with rubber ring (14) between described guiding sheath pipe connections (12) and the described fastening nut (13).
5. conveyer device as claimed in claim 4 is characterized in that, the other end of described push rod (8) is provided with tail end handle (10).
6. conveyer device as claimed in claim 5 is characterized in that, the other end of described convergent divergent channel (3) is provided with haemostatic valve (7).
7. conveyer device as claimed in claim 6 is characterized in that, described convergent divergent channel (3) is made by high density polyethylene (HDPE).
8. conveyer device as claimed in claim 7 is characterized in that, described push rod (8) is made by rustless steel.
9. conveyer device as claimed in claim 8 is characterized in that, an end of described convergent divergent channel (3) is the taper at 30 degree angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105996504A CN102028510B (en) | 2010-12-22 | 2010-12-22 | Conveyor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105996504A CN102028510B (en) | 2010-12-22 | 2010-12-22 | Conveyor device |
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| Publication Number | Publication Date |
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| CN102028510A true CN102028510A (en) | 2011-04-27 |
| CN102028510B CN102028510B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105996504A Active CN102028510B (en) | 2010-12-22 | 2010-12-22 | Conveyor device |
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| CN (1) | CN102028510B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126750A (en) * | 2013-01-25 | 2013-06-05 | 卢建熙 | Multifunctional medical treatment material in-vivo implantation device |
| CN104168843A (en) * | 2011-11-01 | 2014-11-26 | 科赫里克斯医疗股份有限公司 | Medical device for modification of left atrial appendage and related systems and methods |
| CN104586440A (en) * | 2014-12-31 | 2015-05-06 | 上海形状记忆合金材料有限公司 | Cardiac defect sealing and plugging device conveying system |
| CN106491134A (en) * | 2016-10-18 | 2017-03-15 | 宁波市第医院 | Left auricle of heart measuring method in left atrial appendage occlusion art |
| CN106618664A (en) * | 2016-12-06 | 2017-05-10 | 上海心玮医疗科技有限公司 | Left auricle closure device delivery system |
| CN111134756A (en) * | 2019-12-30 | 2020-05-12 | 西安交通大学 | Fibrous chronic embolism device for preventing ectopic embolism |
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| CN1711978A (en) * | 2004-06-25 | 2005-12-28 | 深圳市先健科技股份有限公司 | Latching of left auricular appendix and conveyor thereof |
| WO2006029370A2 (en) * | 2004-09-09 | 2006-03-16 | Onset Medical Corporation | Expandable trans-septal sheath |
| CN1883402A (en) * | 2006-06-28 | 2006-12-27 | 金磊 | Occluder delivery system for cardiac surgery department |
| CN101172048A (en) * | 2007-09-07 | 2008-05-07 | 邢泉生 | Transthoracic minimally invasive heart ventricular septal defect plugging device conveying system and method thereof |
| CN201899524U (en) * | 2010-12-22 | 2011-07-20 | 乐普（北京）医疗器械股份有限公司 | Conveying device |
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2010
- 2010-12-22 CN CN2010105996504A patent/CN102028510B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1711978A (en) * | 2004-06-25 | 2005-12-28 | 深圳市先健科技股份有限公司 | Latching of left auricular appendix and conveyor thereof |
| WO2006029370A2 (en) * | 2004-09-09 | 2006-03-16 | Onset Medical Corporation | Expandable trans-septal sheath |
| CN1883402A (en) * | 2006-06-28 | 2006-12-27 | 金磊 | Occluder delivery system for cardiac surgery department |
| CN101172048A (en) * | 2007-09-07 | 2008-05-07 | 邢泉生 | Transthoracic minimally invasive heart ventricular septal defect plugging device conveying system and method thereof |
| CN201899524U (en) * | 2010-12-22 | 2011-07-20 | 乐普（北京）医疗器械股份有限公司 | Conveying device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168843A (en) * | 2011-11-01 | 2014-11-26 | 科赫里克斯医疗股份有限公司 | Medical device for modification of left atrial appendage and related systems and methods |
| CN103126750A (en) * | 2013-01-25 | 2013-06-05 | 卢建熙 | Multifunctional medical treatment material in-vivo implantation device |
| CN104586440A (en) * | 2014-12-31 | 2015-05-06 | 上海形状记忆合金材料有限公司 | Cardiac defect sealing and plugging device conveying system |
| CN104586440B (en) * | 2014-12-31 | 2017-12-26 | 上海形状记忆合金材料有限公司 | A kind of heart defect amplatzer induction system |
| CN106491134A (en) * | 2016-10-18 | 2017-03-15 | 宁波市第医院 | Left auricle of heart measuring method in left atrial appendage occlusion art |
| CN106618664A (en) * | 2016-12-06 | 2017-05-10 | 上海心玮医疗科技有限公司 | Left auricle closure device delivery system |
| CN111134756A (en) * | 2019-12-30 | 2020-05-12 | 西安交通大学 | Fibrous chronic embolism device for preventing ectopic embolism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102028510B (en) | 2012-07-25 |
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Application publication date: 20110427 Assignee: Beijing Star Medical Devices Co., Ltd. Assignor: Lepu (Beijing) Medical Equipment Co.,Ltd. Contract record no.: 2014990000606 Denomination of invention: Continuous airflow carrier conveying apparatus Granted publication date: 20120725 License type: Exclusive License Record date: 20140731 |
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Effective date of registration: 20150527 Address after: 200000 Shanghai Caohejing Economic Development Zone in Songjiang high-tech park Xinzhuan Highway No. 258 building 41 layer, five layer Patentee after: Shanghai Marmem Material Co., Ltd. Address before: 102200 Changping District science and Technology Park, Beijing Road, No. 37 super building, No. 3 Patentee before: Lepu (Beijing) Medical Equipment Co.,Ltd. |